Example usage for javafx.scene Scene addEventHandler

Introduction

In this page you can find the example usage for javafx.scene Scene addEventHandler.

Prototype

public final <T extends Event> void addEventHandler(final EventType<T> eventType,
        final EventHandler<? super T> eventHandler) 

Source Link

Document

Registers an event handler to this scene.

Usage

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");

    // Register an event handler for a single node and a specific event type
    scene.addEventHandler(DragEvent.DRAG_ENTERED, new EventHandler<DragEvent>() {
        public void handle(DragEvent e) {
            System.out.println("drag enter");
        }//from w ww  . j  ava2  s  .  co  m
    });

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

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From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");

    // Define an event handler
    EventHandler handler = new EventHandler<InputEvent>() {
        public void handle(InputEvent event) {
            System.out.println("Handling event " + event.getEventType());
            event.consume();/*w w w .jav  a2 s .  c  om*/
        }
    };
    scene.addEventHandler(DragEvent.DRAG_EXITED, handler);

    scene.addEventHandler(MouseEvent.MOUSE_DRAGGED, handler);

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

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From source file:org.openbase.display.DisplayView.java

private void init(final Stage primaryStage) throws InterruptedException, InitializationException {

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override/* w w  w  .  j  a  v a 2  s .c om*/
        public void run() {
            Platform.exit();
        }
    });

    try {
        // platform configuration
        Platform.setImplicitExit(false);
        primaryStage.setFullScreenExitKeyCombination(KeyCombination.NO_MATCH);
        this.primaryStage = primaryStage;

        Scene scene = new Scene(cardsPane);

        // configure hide key combination
        final KeyCombination escapeKey = new KeyCodeCombination(KeyCode.ESCAPE);
        scene.addEventHandler(KeyEvent.KEY_RELEASED, new EventHandler<KeyEvent>() {

            @Override
            public void handle(KeyEvent event) {
                if (escapeKey.match(event)) {
                    try {
                        setVisible(false);
                    } catch (CouldNotPerformException ex) {
                        ExceptionPrinter.printHistory(
                                new CouldNotPerformException("Could not execute key event!", ex), logger);
                    }
                }
            }
        });

        primaryStage.setScene(scene);

        try {
            broadcastServer = new DisplayServer(this);
            broadcastServer.init(JPService.getProperty(JPBroadcastDisplayScope.class).getValue());
            broadcastServer.activate();
        } catch (JPServiceException | CouldNotPerformException ex) {
            throw new CouldNotPerformException("Could not load display server!", ex);
        }

        try {
            displayServer = new DisplayServer(this);
            displayServer.init(JPService.getProperty(JPDisplayScope.class).getValue());
            displayServer.activate();
        } catch (JPServiceException | CouldNotPerformException ex) {
            throw new CouldNotPerformException("Could not load display server!", ex);
        }
        this.htmlLoader.init(getScreen());
    } catch (CouldNotPerformException ex) {
        throw new InitializationException(this, ex);
    }
}

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